CVE-2021-40471
High
Published: 13 October 2021
Published
13 October 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0534
90.3th percentile
Risk Priority
19
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-40471 is a high-severity an unspecified weakness vulnerability in Microsoft Office. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 9.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-27648
Vulnerability details
Microsoft Excel Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
365 apps
all versions
microsoft
office
2013, 2016, 2019
microsoft
office long term servicing channel
2021
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.